On Oct 18, 21:17, Allison J Parent wrote:
> Subject: Re: Need Info on DEC 11/84 Board, M8190
> < But this doesn't explain why some units are not common even in
scientifi
> < fields. Like the millifarad, for example.
>
> This is because that is an odd size 1000mF (10^-6) is rather uncommon
Hmm... If I'd seen that out of context, I'd have assumed it was 1000
millifarads, not microfarads. Over here, we'd write that as "1000?F" (if
using ISO 8859-1 or Unicode character set) or possibly "1000uF" ("u" being
the ASCII character that looks most like "mu") or possibly even "1000mfd"
(often found on old circuits).
> when standard values and notation came about. Back then a 50mF cap was
> a large value! It was the advent of transistor circuits and their lower
> voltage power supplies that 1000mF were common. Then again we see caps
> now in the full Farad sizes.
1000mF = 1Farad :-) But I know what you mean. I used to have some old
50mfd 450V caps --and they were big, in those days.
> Then again from a womans point of view, it may be that 1400mm sounds
> bigger than 5 and a half inches. ;)
Err, I think there's an extra "0" in there somewhere, Allison :-)
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
Received on Mon Oct 19 1998 - 05:31:02 BST